Josh Dubow

The Associated Press

FILE - In this Thursday, Aug. 31, 2017 file photo, New England Patriots quarterback Tom Brady, left, and quarterback Jimmy Garoppolo wach from the sideline on during the second half of an NFL preseason football game against the New York Giants in Foxborough, Mass. On Monday, Oct. 30, 2017, the Patriots traded Garoppolo to the San Francisco 49ers for a 2018 draft pick. (AP Photo/Winslow Townson, File)

SANTA CLARA, Calif. – Jimmy Garoppolo sat down on the dais in between San Francisco general manager John Lynch and coach Kyle Shanahan, leaned into the microphone and thanked the 49ers and the New England Patriots for the trade that gives him a chance to be a starter in the NFL.